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What Are the Benefits of HIIT Workouts?

What Are the Benefits of HIIT Workouts?


Studies show that HIIT workouts have a positive impact on heart health and can help prevent and even reverse some of the symptoms of stable coronary artery disease. HIIT also reduces blood pressure in people with hypertension.

In addition, HIIT improves insulin sensitivity and helps lower post-meal blood sugar spikes. It also increases oxygen consumption and VO2 max.

Increased Muscle Tone

Studies show that HIIT training can help you build muscle while also losing fat. This is because HIIT workouts require short periods of exercise followed by recovery, meaning you can work your muscles in a shorter period of time than moderate-intensity exercise (like running for an hour). This makes it easier to fit a HIIT workout into your schedule than an hour of strength training or 45 minutes on the treadmill.

Because HIIT uses the body’s natural energy reserves, it’s an excellent way to burn calories and lose weight. Plus, HIIT exercises can have an afterburn effect where the body continues to burn calories long after the workout is over.

Another benefit of HIIT is that it helps you strengthen your heart and lung health. It does this by improving your cardiovascular endurance and lowering your blood pressure. It can also improve your oxygen consumption, which is beneficial for people with asthma or chronic obstructive pulmonary disease.

Exercising prompts the body to release endorphins, which are chemicals that make you feel happy and reduce stress. It also improves sleep, increases motivation and workplace productivity, and relieves depression. In addition, high-impact exercises like jumping rope increase bone density and decrease the progression of rheumatoid arthritis in older adults. This is because the impact forces the bones to adapt by creating new bone cells to accommodate the extra load.

Improved Cardiovascular Health

The short, fast-paced workouts of HIIT stimulate the production of endorphins in the body, which reduce stress hormones. This combination of benefits helps people manage pain and feel happy after the workout, increasing their adherence to an exercise program. HIIT can be effective for weight loss, but it is also useful for improving cardiovascular health by reducing blood pressure and triglycerides.

In addition to burning calories during a workout, HIIT increases a person’s resting metabolic rate. This is known as the afterburn effect, or excess post-exercise oxygen consumption (EPOC). EPOC occurs because your body needs to replenish oxygen levels, repair tissue, and remove metabolic waste following intense exercise. The increased metabolism burns more calories even after a workout is finished, making it easier to manage calorie intake.

HIIT has also been shown to improve insulin sensitivity and glucose tolerance. The short bursts of activity help your body to regulate blood sugar levels, which is beneficial for people with type 2 diabetes or who are at risk for developing it. HIIT may also increase testosterone, which is important for muscle building and improved bone strength.

HIIT can be performed in many settings, including at home, and does not require any special equipment. If you are a beginner, start by doing low impact exercises such as cycling or swimming and make sure your rest periods are as long as or longer than your work periods.

Reduced Risk of Type 2 Diabetes

HIIT workouts have been shown to improve insulin resistance, which makes them an excellent choice for people with type 2 diabetes or at risk of developing it. Studies show that HIIT workouts help to reduce blood sugar and increase insulin sensitivity, even after just one session. The short bursts of intense activity also help to burn a significant number of calories, which can help individuals control their weight and glucose levels.

HIIT is a great option for those with time constraints as it requires significantly less time than traditional cardiovascular exercise. For example, a study that split participants into groups who performed HIIT workouts and those who did regular endurance training found that the group doing HIIT experienced similar improvements in their fitness levels as the group doing endurance training but in half the time.

HIIT workouts consist of intervals of high intensity exercises, such as sprinting or jumping rope, interspersed with shorter recovery periods. The high intensity intervals allow you to push yourself closer to your maximum capacity, helping you to burn more calories during the workout and afterward as your body metabolizes the extra energy. These workouts also cause your muscles to grow more rapidly, and can boost your muscle strength and overall performance. For example, a study found that men who completed HIIT workouts on a weekly basis saw greater increases in their peak power output than a group who did steady-state aerobic exercise.

Reduced Risk of Injury

High-intensity interval training can increase muscular strength and endurance. It can also burn a lot of calories during and after workouts, making it ideal for fat loss. But it is important to have a strong foundation of steady-state cardio exercise before attempting HIIT workouts. In addition, you should not do HIIT more than 2-3 times per week.

HIIT workouts are great for people with busy schedules, because they can be done in less time than traditional workouts. But it is still important to warm up with a light aerobic activity, like jogging or spinning on the bike, before going all out. Additionally, if you have joint problems, you should stick with low-impact HIIT options.

If you want to take HIIT to the next level, try adding some sprinting intervals into your jogs. Start with 30 seconds of sprints and a minute of walking or slow jogging, then slowly increase the sprint duration and decrease the rest interval.


HIIT training can significantly improve your endurance and VO2 max, which is the maximum amount of oxygen you can use during intense exercise. It can also reduce heart rate and blood pressure, especially in those with pre-existing conditions such as heart disease or diabetes. In one study, patients with stable coronary artery disease who did HIIT three times a week for 10 weeks saw a significant improvement in their VO2 peak.